This is the central police station in Ambelokipi. Visitors will find the Pangrati location more convenient. Police specifically (rather than all emergency services) are available by calling 100.
Conveniently located left-luggage facilities. Also has laundry service (from €8), as well as cabins (from €15, accessible till midnight) where you can change clothes, store your gear and use a shower.
Free Athens map, transport information and Athens & Attica booklet. There's also a desk at Athens Airport (9am to 5pm Monday to Friday and 10am to 4pm Saturday).
This is the place to buy student or senior tickets for the Athens & Epidaurus Festival. It usually starts selling tickets in May.
Also has a consulate in the Psyhiko neighbourhood of Athens, and one in Thessaloniki.
A short walk from Syntagma, this is a convenient place to leave your bags for the day. Also offers boarding-printing, tours and bag delivery.
This isn't the official central post office, but it may as well be, as it has the longest opening hours and is most conveniently located.
Also has a consulate in Thessaloniki.
Pay service with English-speaking doctors who make house (or hotel) calls.
Exchanges travellers cheques and arranges money transfers.