Original sentence: It constitutes roughly of 1% of the total population of Greece.The term refers to an ethnically turkish muslim minority in Thrace, in north-east Greece.Under the 1923 Treaty of Lausanne the Muslims of Thrace and the Christians of Istanbul, and of the islands Imvros and Tenedos were the only populations not to be exchanged between Greece and Turkey
Edited sentence: During the last decades many Greek Muslims have left their villages and moved to bigger cities, most notably Athens.It constitutes rouphly of 1% of the total population of Greece.The fact that although the Muslim minority still remains in Trace while Christians from Istambul, Imvros and Tenedos have been over the years forced by the Turkish government to move to Greece, is a cause for nationalistic fervor amongst the more conservative parts of the greek society.The term refers to a religious minority in Thrace, in north-east Greece.Under the 1923 Treaty of Lausanne the Muslims of Thrace and the Christians of Istambul, and of the islands Imvros and Tenedos were the only populations not to be exchanged between Greece and Turkey