Here is the little history of Csíkszereda:
Csíkszereda (German:Szeklerburg, Romanian: Miercurea-Ciuc) first was named by Zsigmond Luxemburg king, at the beginning of the XV.-th century.
The surrounding country as center of the markets became an himself landlord fortune in 1611, when Gábor Bethlen is transylvanian sovereign has given the marketplace for one of his székely peer, Ferenc Hídvégi Mikó as a gift, and permitted the contruction of anfortified accomodation. For the instruction of Ferenc Mikó between 1623 – 1631 they built the contemporary peer liked living-place renessance fortified castle.
After Ferenc Mikó has died in 1635, the building was inherited by József,who died, and the remain for Ilona Macskási. The widow get merried in 1663 with Tamás Domokos head official charge in Transylvania. II.-nd György Rákóczi transylvanian sovereign became hostage of Tartars in 1657, where was prisonier for 13 years.
In the forthcoming time, the lordship was given to Gábor Mikó, and became his brother’s property. In 1661 Ali pasha ravaged all along Csíkszereda, and hardly damaged the Mikó castle.
In 1970 it have been it was restored, and since then it’s the property of the Székely Museum of Csík.
Coordinates 
Our little town is in the middle of our hearts, in the middle of Romania, in the middle of Transylvania.(see the picture below)
Aproximatively 45,769 people live in this little town.
Latitude: 46.35
Longitude: 25.8
actually it’s not even near to the middle of Transylvania…don’t you know how close it is to the 1000 years old border?