Gebze is a dynamic and rapidly developing city in Turkey, located in the Kocaeli province. Situated just 45–48 kilometers southeast of Istanbul, it serves as a vital link between the metropolis and Anatolia. The city is spread across the hilly terrain of the northern Gulf of Izmit in the Sea of Marmara, offering visitors a blend of industrial power and deep historical roots.

With a population of about 371,000 people, Gebze is known today as a major technological and industrial hub. However, a rich past is hidden behind the modern facades of high-rises and offices. Exploring the city's multifaceted history is worthwhile if only to see the monuments preserved from the Byzantine and Ottoman eras. Here, modern infrastructure and universities, such as Gebze Technical University, stand alongside ancient fortresses and mosques.
For tourists, the city is primarily attractive for its iconic sites: the unique Çoban Mustafa Pasha Mosque and the memorial at the site of the tomb of the legendary Carthaginian general Hannibal. Despite its industrial status, Gebze possesses the special energy of a "hardworking city," where life moves to the rhythm of major highways and business centers. It is an excellent destination for those who want to see the real, non-touristy Turkey while remaining close to the region's main attractions.