Turkey is located between
Explanation
Turkey is a transcontinental country primarily situated on the Anatolian Peninsula, bounded by the Black Sea to the north and the Mediterranean Sea to the south. Option (a) is incorrect because the Caspian Sea lies further east, separated from Turkey by the Caucasus nations of Georgia, Armenia, and Azerbaijan. This question tests the core concept of regional political geography and the spatial relationship between major landmasses and their surrounding maritime boundaries.