Residents accounted for 76.2% of total arrivals at accommodation establishments in October, while foreigners made up for the reminder 23.8%.
The vast majority of foreign visitors (94%) came from Europe, the data showed.
Romanian tourist departures abroad inched up 1.3% on the year in October.
In January through October, tourist arrivals increased by 15.9% on the year, while overnight accommodations were up 12.2%.