Did Turkey lose any land when the Ottoman empire fell apart?

 Yes, the Republic of Turkey, which emerged after the collapse of the Ottoman Empire, experienced significant territorial losses. The Ottoman Empire, which lasted from the late 13th century to 1922, underwent a process of disintegration and decline during the late 19th and early 20th centuries. The final blow to the Ottoman Empire came with its defeat in World War I and the subsequent partitioning of its territories.

The major territorial losses for Turkey occurred through a series of treaties, including the Treaty of Sèvres (1920) and the Treaty of Lausanne (1923). These treaties resulted in the establishment of the modern Republic of Turkey and defined its borders. The key territorial losses for the Ottoman Empire and subsequent Republic of Turkey included:

1. **Treaty of Sèvres (1920):** This treaty, which was never fully implemented, aimed to dismember the Ottoman Empire. According to the terms of the Treaty of Sèvres, significant portions of Ottoman territory were allocated to various Allied powers and the creation of independent states. The proposed division included the establishment of an independent Armenian state, a Greek presence in Western Anatolia, and an international administration in Istanbul. This treaty, however, faced strong opposition from Turkish nationalists led by Mustafa Kemal Atatürk.

2. **Turkish War of Independence:** Mustafa Kemal Atatürk and his forces successfully resisted the implementation of the Treaty of Sèvres. The Turkish War of Independence (1919-1922) resulted in the defeat of occupying Allied forces and the establishment of the Republic of Turkey in 1923.

3. **Treaty of Lausanne (1923):** The Treaty of Lausanne replaced the Treaty of Sèvres and defined the modern borders of the Republic of Turkey. It recognized the sovereignty of the new Turkish state and set its borders. As a result, territories that were initially designated for other states under the Treaty of Sèvres were retained by Turkey. The treaty also recognized the independence of Turkey and the end of the Ottoman Empire.

The Treaty of Lausanne marked the end of hostilities and established the modern borders of Turkey, confirming its territorial integrity as it exists today. While Turkey experienced significant territorial losses during the collapse of the Ottoman Empire, the successful Turkish War of Independence and the subsequent Treaty of Lausanne secured the foundation of the Republic of Turkey and preserved a substantial portion of Anatolian territory.