The study deals with the development of the network and postal services in Opava and the region of Opava. It focuses mainly on the period from the second half of the 19th century to World War I when the model of modern postal administration was developed in the Habsburg Monarchy. The issue of postal services in this part of Silesia has not yet been investigated in detail; the connection of the postal network with the development of rail and road transport is emphasized, as well as a perspective of the town of Opava as the centre of postal administration in Silesia. The study further covers the mobility and national activities of postmasters in municipalities, the national aspects of postal administration, the development of the village post office, and the position of the post office and its employees in the microworld of a specific location.