Kolomna
Kolomna is an ancient city in Moscow Oblast, Russia, situated at the confluence of the Moskva and Oka Rivers, which is located 114 kilometers southwest of Moscow. Like some other ancient Russian towns, Kolomna has its Kremlin, which is a citadel similar to the more famous one in Moscow, as it is also built from red brick. Kolomna citadel was a part of the Great Abatis Border. Several towers and two parts of walls have been preserved and are held in good shape; a museum is located inside.