Rostock is a district in the north of Mecklenburg-Vorpommern, Germany. It is bounded by (from the west and clockwise) the district Nordwestmecklenburg, the Baltic Sea, the district-free city Rostock and the districts Vorpommern-Rügen, Mecklenburgische Seenplatte and Ludwigslust-Parchim. The district seat is the town Güstrow.