The country's partners have already pledged over $5 billion in financial aid in a move to support Ukraine's economy and reform agenda.

Kaliningrad's position within Central and Northern Europe, its turbulent historical and cultural legacy, as well as its current geopolitical importance make the region appealing for tourism.

The loan has been provided at a very low-interest rate and with a repayment period of 30 years, including a five-year grace period.

Some Western leaders have in the past week warned of an imminent Russian invasion, with U.S. President Joe Biden saying he was “convinced” this would occur within days and Secretary of State Antony Blinken predicting a quick advance aimed at capturing the Ukrainian capital, Kyiv.