The French president is scheduled to visit Japan next month.
Literal
Next-month France president [subject-が] visit-Japan [schedule-予定] is.
訪日 ('visit-Japan') is a terse one-word compound for 'visit to Japan,' with 訪 ('visit') + 日 ('Japan'). Common in news headlines and formal diplomatic reportage. パリの大統領 would be different; here it's abstract 'France president.'