41
Bearers
34863.
Rank
male
Gender
Surname distribution by municipality
Number of bearers by municipality across Czechia (source: MV ČR archive, ~2011). Showing the 30 most frequent of 15 municipalities.
Map 1 · distribution of surname Trojna — colour = bearers per 10,000 inhabitants (darker = higher)
| # | Region | Bearers |
|---|---|---|
| 1 | Královéhradecký kraj | 15 |
| 2 | Hlavní město Praha | 6 |
| 3 | Středočeský kraj | 4 |
| 4 | Jihočeský kraj | 4 |
| 5 | Ústecký kraj | 3 |
| 6 | Liberecký kraj | 3 |
| 7 | Zlínský kraj | 2 |
| 8 | Jihomoravský kraj | 2 |
| 9 | Pardubický kraj | 1 |
| 10 | Kraj Vysočina | 1 |
| Total CZ | 41 |
| # | Municipality | Bearers |
|---|---|---|
| 1 | Rychnov nad Kněžnou | 9 |
| 2 | Praha | 6 |
| 3 | Hradec Králové | 5 |
| 4 | Černošice | 4 |
| 5 | Liberec | 3 |
| 6 | Strakonice | 2 |
| 7 | Litvínov | 2 |
| 8 | Břeclav | 2 |
| 9 | Zlín | 2 |
| 10 | Tábor | 1 |
| 11 | Soběslav | 1 |
| 12 | Most | 1 |
| 13 | Pardubice | 1 |
| 14 | Kostelec nad Orlicí | 1 |
| 15 | Žďár nad Sázavou | 1 |
Historical trend by year of birth
Number of living bearers by year of birth (as of 2011, source: MV ČR archive).
Source: MV ČR – četnost příjmení (archiv) · Data year: 2011