Tamaku is the capital of Oyen, a state of Grand Besaid, it is also the 4th most populous city in all of Grand Besaid. It is home to many of the world's largest museums, and is also home to many companies and Oyen state offices and facilities. Tamaku is located in South-Central Oyen, on the South-Central region of the former Malay, and current Oyenese Peninsula. Tamaku is also home to the state capitol building, Lake Quihelioa, and many train stations whose trains take you up into the mountains.