Admiralty in the 16th century has organized the fleet into squadrons from at early 13th century and certainly during the 16th century. In 1560 three squadrons were operating in the Channel, Irish Sea and North Sea Until the 16th century, admirals were high officials under kings, and were charged with protecting the realm from sea attack. The English navy's Narrow Seas Squadron also called as the Eastern Squadron mainly operated in the two seas which laying between England and Kingdom of France (the English Channel particularly the Straits of Dover) and England and the Spanish Netherlands later the Dutch Republic (the southern North Sea). Include:
Paris in the 16th century of buildings, the city expanded outward past the walls. The social geography of the city was much as it was in the Middle Ages. The commercial center was the port on the right bank, at the Place de Greve, where the City Hall is today. The main market was close by, at Les Halles. The University and several large monasteries were on the left bank; in the 16th century booksellers and printers opened near the university. In the first part of the century, when the King was absent, the center of administration was in the old Palais on the Île-de-la-Cité,