Baku b k u, b k u Azerbaijani Bak, IPA is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. Baku is located metres ft below sea level, which makes it the lowest lying national capital in the world and also the largest city in the world located below sea level..Baku Tourism TripAdvisor has , reviews of Baku Hotels, Attractions, and Restaurants making it your best Baku resource..Baku or are Japanese supernatural beings that devour dreams and nightmares. According to legend, they were created by the spare pieces that were left over when the gods finished creating all other animals. They have a long history in Japanese folklore and art, and more recently have appeared in Japanese anime and manga The Japanese term baku has two current meanings, referring to .Baku Baku, city, capital of Azerbaijan. It lies on the western shore of the Caspian Sea and the southern side of the Aberon Peninsula, around the wide, curving sweep of the Bay of Baku. The bay, sheltered by the islands of the Baku Archipelago, provides the best harbour of the Caspian, while the.