Swondo offers individual region rentals on OSgrid or Metropolis for US$20 (18 Euro) for a 17,200-prim region. No setup fee. First two weeks free. Discounts available for multiple region rentals. Wide variety of starting regions available. Support in English, Dutch and German.
Other region options also available, including $15 (14 Euro) for a 10,000-prim region, $28 (26 Euro) for a 30,000-prim region and $60 (55 Euro) for a 90,000-prim region.
Discounts available for those who rent multiple regions.
A limited number of free, 500-prim homestead parcels are also available on OSgrid.