Armutlu Peninsula Armutlu Peninsula Armutlu Peninsula () is a peninsula extending westward into Marmara Sea in the Anatolian section of Turkey. In addition to Yalova Province, parts of Kocaeli Province and Bursa Province are on the peninsula. Armutlu Peninsula is between Gulf of Izmit in the north and Gulf of Gemlik in the south. The westernmost point of the peninsula is the cape of Bozburun. The bird's flight distance between Bozburun and the tip of the northern gulf is about . But, the distance between Bozburun and the tip of the southern gulf is only about . To the southeast of the
Anatolian diagonal and land bridges intermittently formed across the Bosphorus and the Sea of Marmara. After the end of the most recent ice age, plants surviving to the west of the Anatolian diagonal could spread back into Europe while those to the east could spread into Syria, Iraq and the Near East. The Taurus Mountains provide a cool damp climate for species that cannot survive the hot dry summer climate on either side, and this could have encouraged survival and speciation, resulting in the many endemic species found here today. Anatolian diagonal The Anatolian diagonal is a theoretical dividing line which runs