Amsterdam

Amsterdam was the capital and largest city of the Netherlands. In 1983, Omega established his base in Amsterdam during his plan to to bond with the Doctor using his biodata extract. He captured Colin Frazer, Robin Stuart and Tegan Jovanka.

The Doctor chased Omega through the city to a small dock. There he shot him with a matter conversion gun to prevent him willing his destruction and causing the destruction of the world. (DW: Arc of Infinity)