* North Sea: To the north.

* Baltic Sea: To the north-east.

* North Sea: To the north.

* Danish Straits: Connecting the North Sea and the Baltic Sea.

* Rhine River: Flows through the country and empties into the North Sea.

* Elbe River: Flows through the country and empties into the North Sea.

* Oder River: Flows through the country and empties into the Baltic Sea.

While not directly surrounding Germany, the following are also important to note:

* Lake Constance: Germany shares this large lake with Austria and Switzerland.

* Lake Chiemsee: The largest lake in Germany.

Let me know if you have any other questions!