South of the east-west line of the Carpathians lies the flat Danube plain of Walachia with the capital Bucharest, its border with Bulgaria being defined by the course of the Danube. Romania's coastline is along the Black Sea, incorporating the Black Sea port of Constanta and the Danube Delta. Romanian is the official language. Some Hungarian and German are spoken in border areas, while mainly French and some English are spoken by those connected with the tourist industry. Plugs are of the 2-pin type.
Public telephones are widely available and can be used for direct international calls.
Hotels often impose a high service charge for long-distance calls, but usually do not charge for local calls. Facilities are available at most large hotels. Bulevardul Regina Elisabeta 26, while the latter is at Strada Calderon 1-5. Telegrams are an inexpensive and efficient form of international communication from Romania. Airmail to Western Europe takes one week.