Istanbul
: is the largest city in Turkey, constituting the country's economic, cultural, and historical heart.Founded on the Sarayburnu promontory around 660 BC as Byzantium, the city now known as Istanbul developed to become one of the most significant cities in history. For nearly sixteen centuries following its reestablishment as Constantinople in 330 AD, it served as the capital of four empires: the Roman Empire (330–395), the Byzantine Empire (395–1204 and 1261–1453), the Latin Empire (1204–1261), and the Ottoman Empire (1453–1922). It was instrumental in the advancement of Christianity during Roman and Byzantine times, before the Ottomans conquered the city in 1453 and transformed it into an Islamic stronghold and the seat of the last caliphate. There are many interesting places to visit in Istanbul such as St. Sophia, Blue Mosque, Topkapi Museum, Grand Pazar,

Ankara: historically known by the names Ancyra and Angora) is the capital of Turkey and the country's second largest city, Istanbul being the largest. The city has a mean elevation of 938 meters (3,077 ft) and in 2012 had a population of 4,338,620, with its metropolitan municipality having 4,965,542. In Ankara there many important places to visit such Anıtkabir(the Tomb of Ataturk) , Ankara Ethnography Museum& the museum of Anatolian Civilizations

Izmır: Is a large metropolis in the western extremity of Anatolia and the third most populous city in Turkey, after Istanbul and Ankara.The city is one of the oldest settlements of the Mediterranean basin. The 2004 discovery of YeşilovaHöyük and the neighboring Yassıtepe, situated in the small delta of Meles River, now the plain of Bornova, reset the starting date of the city's past further back than was previously thought.

Cappadocia is a historical region in Central Anatolia, largely in Nevşehir Province, in Turkey.

In the time of Herodotus, the Cappadocians were reported as occupying the whole region from Mount Taurus to the vicinity of the Euxine (Black Sea). Cappadocia, in this sense, was bounded in the south by the chain of the Taurus Mountains that separate it from Cilicia, to the east by the upper Euphrates and the Armenian Highland, to the north by Pontus, and to the west by Lycaonia and eastern Galatia.The area is a popular tourist destination, as it has many areas with unique geological, historic, and cultural features. Goreme Open Air Museum, Under Ground City Kaymakli

Pamukkale: meaning "cotton castle" in Turkish, is a natural site in Denizli Province in southwestern Turkey. The city contains hot springs and travertine, terraces of carbonate minerals left by the flowing water. It is located in Turkey's Inner Aegean region, in the River Menderes valley, which has a temperate climate for most of the year.