which two places does it connect?
Aylesbury, Buckingham Railway
Quainton Road railway station
Quainton Road station was built on a curve in the line at the nearest point to the Duke's estates at Wotton. Six miles (10 km) northwest of Aylesbury, it was southwest of the small village of Quainton and immediately northwest of the road connecting Quainton to Akeman Street. The railway towards Aylesbury crossed the road via a level crossing immediately southeast of the station. The Aylesbury and Buckingham Railway had spent most of their limited budget on the construction of the line itself. 
which country does quainton road railway station belong to? England
wiki:13307364
Quainton Road railway station [SEP] Aylesbury and Buckingham Railway
Verney Junction railway station was built at the point where the lines joined, named after Sir Harry who owned the land on which it was built, since there was no nearby town. Aylesbury now had railways to the east, north and southwest, but no line southeast towards London and the Channel ports. Quainton Road station was built on a curve in the line at the nearest point to the Duke's estates at Wotton. Six miles (10 km) northwest of Aylesbury, it was southwest of the small village of Quainton and immediately northwest of the road connecting Quainton to Akeman Street.