I use one of these. Not cheap, but will play ALL region disks.
https://www.fishpond.com/Electronics/SONY-S1200-Multi-System-Blu-Ray-Disc-DVD-Player-PALNTSC-USB-Comes-with-US-and-EU-Connectors-for-World-Wide-Use-18m-HDMI-Cable/0632930669615?utm_source=googleps&utm_medium=ps&utm_campaign=US