Remove the worse half of the map - Round 19
Round 1: Asia/Oceania/Russia is eliminated
Round 2: Americas are eliminated
Round 3: Africa is eliminated
Round 4: East/North/Central Europe is eliminated
Round 5: Tomato Western Europe is eliminated
Round 6: France/Belgium/Luxembourg/Switzerland is eliminated
Round 7: Netherlands/Ireland/Iceland is eliminated
Round 8: Scotland/Isle of Man/Far North England is eliminated
Round 9: Eastern England is eliminated
Round 10: South West England/Worcestershire/Warwickshire/West Midlands/Staffordshire is eliminated
Round 11: North West England/Shropshire/Herefordshire is eliminated
Round 12: South Wales is eliminated
Round 13: Ceredigion/Powys/Wrexham (Wrecsam)/Flintshire (Sir y Fflint) is eliminated
Round 14: Conwy/Denbighsire (Sir Ddinbych) is eliminated
Round 15: Isle of Anglesey (Ynys Môn) is eliminated
Round 16: South Gwynedd is eliminated
Round 17: Northwest Gwynedd is eliminated
Round 18: Bangor/Bethesda/Aber/Pentir/Felinheli/Llanllechid/Llanddeiniolen/Llandygai is eliminated
Round 19 is getting incredibly niche, with only about 10,000 people living in the remaining area, and probably about 10 people from there that will see this. Here's a google maps link if that helps at all.
I had to cut off the very bottom of the map for the zoom so sorry if you happen to live in the small group of trees there. Also sorry if you work at Lidl Bangor, maybe Caernarfon will get a Lidl soon?