Kesklinn is one of the 8 administrative districts of Tallinn, the capital of Estonia. It is situated on the Tallinn Bay and bordered to the northwest by the district of Põhja-Tallinn, to the west by Kristiine, to the southwest by Nõmme, to the east by Lasnamäe and Pirita, and to the south by Rae Parish, beyond Lake Ülemiste. The island of Aegna, located in the Tallinn Bay, also falls within this administrative district.