Imatra is a town in the South Karelia region of southern Finland, close to the border with Russia.
During Tchaikovsky's lifetime it was part of the Vyborg province (Выборгская губерния) of the Grand Duchy of Finland, within the Russian Empire.
Tchaikovsky in Imatra
Tchaikovsky first visited Imatra during a family holiday in the summer of 1860, and returned there in June 1867 with his brother Anatoly.
The composer left no known record of his opinions of the town.