It's best to get a model which is intended for your country.
While a Denon product made for the USA can be used in other countries if you have an appropriate power converter, some of their features won't work. Radio stations use different frequency ranges, for example, and network streaming services are not the same. Also, if the equipment has hardware problems, getting it repaired will be difficult.
Marantz SR7009/7.1.4/FH+TM/DefTech PM1000/LCR+TM amped