Osaka i think
The answer is Ostend.
A herb beginning with the letter "o" is oregano.
there is a sea port in Japan called Osaka hope that helps.
Feline mammal of south America beginning with the letter O is an "ocelot."
Some names beginning with the letter O are:OlafOleanderOliveOliverOllieOmarOpalOpheliaOprahOrvilleOscarOtto
optometrist
oasis
Oman
Ontario
No there is not
One Dutch word beginning with the letter "o" is "onmiddellijk," which means "immediately" in English.