Kotlovyna
Kotlovyna (Ukrainian: Котловина; Russian: Котловина translit Kotlovina; until 1948: Bolboka) is a selo in the Reniyskyi raion of the southern Ukrainian oblast of Odessa. It is situated on the western bank of Ozero Yalpug at 45°30′N 28°34′E / 45.500°N 28.567°E.
In 2001 its population was recorded as 2,643.
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