Residents accounted for 81.3% of total arrivals at accommodation establishments in July, while foreigners made up for the reminder 18.7%.
The vast majority of foreign visitors (93.9%) came from Europe, the data showed.
In January through July, tourist arrivals and overnight accommodations rose by 12.6% and 9.3% on the year respectively.
Romanian tourist departures abroad inched up 0.5% on the year in the first seven months.