I think I have the exact same model!No I got it on amazon unlocked. If you search region free blu ray player a load come up. They tend to be sold by 1 or 2 different sellers. 220electronics are fulfilled by amazon.
Heres the one I got:
2016 SONY BDP-S1700 Multi Zone Region Code Free Blu Ray - DVD - CD Player - PAL/NTSC - Worldwide Voltage 100~240V - 1 USB, 1 HDMI, 1 COAX, 1 ETHERNET Connections: Amazon.co.uk: Electronics