Estonia Capital Population, Currency Estonia (officially the Republic of Estonia): Capital: Tallinn (also the largest city). Population: Approximately 1.33–1.36 million (as of early 2026). Official estimates vary slightly by source and date (e.g., around 1,360,745 on 1 Jan 2026 per Statistics Estonia, with mid-2026 projections near 1.33 million). Currency: Euro…