Mikkeli (St. Michel in Swedish)  is a cozy town in South Savonia province, Eastern Finland with a population of 49,000. It is located 230km NE from Helsinki and 110km NW from Lappeenranta. It was founded in 1838 and the Finnish Army HQ under Marshal Mannerheim was situated there during WWII.
Mikkeli airport (IATA: MIK, ICAO: EFMI) is located in the city area roughly three (3) kilometers West from the city center. Currently, the airport is only used for charter/business flights - therefore lacking scheduled flights. Suitably calm and ideally located, Mikkeli airport is also a home for active glider and parachute enthusiasts.
The City of Mikkeli is located on the main Savonia track between Helsinki and Kuopio. Typically, there are 8 daily connections from Helsinki to Mikkeli ranging from regular express trains to slightly better equipped InterCity 2 -trains. The fastest connection from Helsinki to Mikkeli are the Pendolino trains, that take 2 hours and 16 minutes to Mikkeli from Helsinki.
Coming by traing, one may have to change trains in Kouvola. Mikkeli train station is located in the city center, just one block from the market square.
Mikkeli has good bus connections to all main cities of Southern and Northern Finland. Buses leave from the Matkakeskus terminal integrated with the railway station.
Mikkeli has a comprehensive public transport system (buses to eg Anttola and Otava almost every hour). One-way tickets for buses in the city area cost around €3, while fares for longer routes are measured in traveled kilometers. Taxis are also available (tel. 0600 300 55) and fares start at €5 and climb up to €1.30/km during weekdays (typically depends on the amount of passengers).
Major car rental companies, such as Avis, Europcar and Hertz, are available in Mikkeli. During the summertime, one may also hop in a sightseeing bus or take a cruise in Saimaa from the Mikkeli harbor.
During World War II, Mikkeli was the headquarters of the Finnish Army, and quite a few sights from the period remain.
The Akseli shopping mall  and a Sokos department store with a large S-Market supermarket can be found right next to the market square.
There are a few hotels in the towncentre but not many hostels can be found. Camping is a good choise for cheaper accommodation.
The area around Mikkeli is one of Finland's main centres for summer cottages (kesämökki). Most are inconveniently located unless you have your own car and primarily geared for families or groups who can bring all their own gear (bedding, food etc) and stay a week or longer, but a few cater also to short-stay visitors. Prices vary widely depending on the facilities: some places go for as little as €30/night, top-end facilities ten times that.