diff --git a/src/org/oscim/core/osm/Bound.java b/src/org/oscim/core/osm/Bound.java
new file mode 100644
index 00000000..9f92a885
--- /dev/null
+++ b/src/org/oscim/core/osm/Bound.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2013 Hannes Janetzek
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+public class Bound {
+
+}
diff --git a/src/org/oscim/core/osm/OSMData.java b/src/org/oscim/core/osm/OSMData.java
new file mode 100644
index 00000000..6d9d10ec
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMData.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+import java.util.Collection;
+
+/**
+ * OSM dataset containing nodes, areas and relations
+ */
+public class OSMData {
+
+	private final Collection<Bound> bounds;
+	private final Collection<OSMNode> nodes;
+	private final Collection<OSMWay> ways;
+	private final Collection<OSMRelation> relations;
+
+	public OSMData(Collection<Bound> bounds, Collection<OSMNode> nodes,
+			Collection<OSMWay> ways, Collection<OSMRelation> relations) {
+
+		this.bounds = bounds;
+		this.nodes = nodes;
+		this.ways = ways;
+		this.relations = relations;
+
+	}
+
+	public Collection<OSMNode> getNodes() {
+		return nodes;
+	}
+
+	public Collection<OSMWay> getWays() {
+		return ways;
+	}
+
+	public Collection<OSMRelation> getRelations() {
+		return relations;
+	}
+
+	public Collection<Bound> getBounds() {
+		return bounds;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/OSMElement.java b/src/org/oscim/core/osm/OSMElement.java
new file mode 100644
index 00000000..666281c3
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMElement.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+public abstract class OSMElement {
+
+	public final TagGroup tags;
+	public final long id;
+
+	public OSMElement(TagGroup tags, long id) {
+		assert tags != null;
+		this.tags = tags;
+		this.id = id;
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + (int) (id ^ (id >>> 32));
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		OSMElement other = (OSMElement) obj;
+		if (id != other.id)
+			return false;
+		return true;
+	}
+
+	/**
+	 * returns the id, plus an one-letter prefix for the element type
+	 */
+	@Override
+	public String toString() {
+		return "?" + id;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/OSMMember.java b/src/org/oscim/core/osm/OSMMember.java
new file mode 100644
index 00000000..7e1fc6d1
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMMember.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+public class OSMMember {
+
+	static final boolean useDebugLabels = true;
+
+	public final String role;
+	public final OSMElement member;
+
+	public OSMMember(String role, OSMElement member) {
+		assert role != null && member != null;
+		this.role = role;
+		this.member = member;
+	}
+
+	@Override
+	public String toString() {
+		return role + ":" + member;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/OSMNode.java b/src/org/oscim/core/osm/OSMNode.java
new file mode 100644
index 00000000..7eae59c9
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMNode.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+public class OSMNode extends OSMElement {
+	public final double lat;
+	public final double lon;
+
+	public OSMNode(double lat, double lon, TagGroup tags, long id) {
+		super(tags, id);
+		this.lat = lat;
+		this.lon = lon;
+	}
+
+	@Override
+	public String toString() {
+		return "n" + id;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/OSMRelation.java b/src/org/oscim/core/osm/OSMRelation.java
new file mode 100644
index 00000000..fb75cb52
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMRelation.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class OSMRelation extends OSMElement {
+
+	public final List<OSMMember> relationMembers;
+
+	// content added after constructor call
+
+	public OSMRelation(TagGroup tags, long id, int initialMemberSize) {
+		super(tags, id);
+		this.relationMembers =
+				new ArrayList<OSMMember>(initialMemberSize);
+	}
+
+	@Override
+	public String toString() {
+		return "r" + id;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/OSMWay.java b/src/org/oscim/core/osm/OSMWay.java
new file mode 100644
index 00000000..e15be68d
--- /dev/null
+++ b/src/org/oscim/core/osm/OSMWay.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2013 Tobias Knerr
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+import java.util.List;
+
+public class OSMWay extends OSMElement {
+
+	public final List<OSMNode> nodes;
+
+	public OSMWay(TagGroup tags, long id, List<OSMNode> nodes) {
+		super(tags, id);
+		for (OSMNode node : nodes)
+			assert node != null;
+		this.nodes = nodes;
+	}
+
+	public boolean isClosed() {
+		return nodes.size() > 0 &&
+				nodes.get(0).equals(nodes.get(nodes.size() - 1));
+	}
+
+	@Override
+	public String toString() {
+		return "w" + id;
+	}
+
+}
diff --git a/src/org/oscim/core/osm/TagGroup.java b/src/org/oscim/core/osm/TagGroup.java
new file mode 100644
index 00000000..24090f0d
--- /dev/null
+++ b/src/org/oscim/core/osm/TagGroup.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2013 Hannes Janetzek
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.core.osm;
+
+import java.util.Map;
+
+public class TagGroup  {
+	public final static TagGroup EMPTY_TAG_GROUP = new TagGroup();
+
+	public final Map<String, String> tags;
+
+	public TagGroup(Map<String,String> tags) {
+		this.tags = tags;
+	}
+
+	private TagGroup(){
+		this.tags = null;
+	}
+}