Sokollu refers to a prominent figure in the Ottoman Empire, specifically Sokollu Mehmed Pasha, who served as a grand vizier during the 16th century. He was known for his administrative skills and played a significant role in the empire's expansion and governance under Sultan Suleiman the Magnificent and later Selim II. His policies and reforms helped strengthen the central authority of the empire. Sokollu Mehmed Pasha was also a patron of architecture and culture, contributing to the construction of several important buildings, including mosques and bridges. His legacy is reflected in the Sokollu Mehmed Pasha Mosque in Istanbul, which showcases the architectural style of the period and his influence on Ottoman culture.