Italy
Marche
Ancona
Ostra is a comune in the provincia of Ancona, Marche with a population of 6,251 as of 2025. Between 1830 and 1912, at least 134 passengers departing from Ostra arrived in the United States. The comune was previously known as Montalboddo.
Contact
To request vital records from the anagrafe (records office), write to the PEC address or email below. Include the full name, approximate date, and record type in Italian.
Map
Historical Names
Montalboddo→Ostra
Changed on June 1, 1881
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centri abitati
AltitudePopulation- Ostra118m2,709
- Casine47m1,276
- Pianello46m959
- Vaccarile174m42
Nuclei abitati
AltitudePopulation- Via San Gregorio120m89
- Via Belvedere Ostrense180m81
- Via della Schea170m40
- Via Pianello65m15
Population and Migration
This chart shows annual resident population, US arrivals (1830 to 1912), and international migration (2001 to present). Not all data is available for every period, so gaps are normal.
US arrivals peaked in 1912 with 66 recorded passengers. Since 2001, net international immigration has added the equivalent of 7% of the current population.
Total US arrivals
134
1830–1912
Peak year
1912
66 arrivals
Cittadinanza per discendenza
Could a line from Ostra qualify for Italian citizenship?
Between 1830 and 1912, at least 134 passengers from Ostra arrived in the United States. Arrivals peaked in 1912. If one of them is your ancestor, Italy may recognize you as a citizen under jure sanguinis (citizenship by descent).
The birthplace alone does not decide it. Each generation between that ancestor and you does: who naturalized, and when. Since the 2025 law, the number of generations matters too.
The checker goes back through your line one generation at a time. It is not legal advice, and it does not search for records.
Check your lineItalian-born ancestor
Your ancestor from Ostra
Born in Ostra (AN), Italy
Each generation between
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Top Emigrant Cognomi
Most common cognomi (family names) among emigrants from Ostra recorded in US arrivals, 1830 to 1912.
Notable People
People born in Ostra.