Swondo offers individual region rentals on OSgrid or Metropolis for US$28 (20 Euro) for a 15,000-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 (11 Euro) for a 5,000-prim region and $9 (6 Euro) for a water region.
Both the 5,000-prim region and the 15,000-prim region can be configured as variable size regions equivalent to four or nine standard regions at no additional cost.
A limited number of free, 500-prim homestead parcels are also available on OSgrid.