i dunno bout the uk. but i do know that when me and my dad where in kenya and south africa, we met tons of folks(it seemed like all the white people, not to be rasist) had british accents. so i am gonna say either east africa(which covers madagascar) or an austrulasian island(new guinea, new zealand, australia, tasmania) and +1 for he is a giant day gecko, no other one has the face stripes like that, or the back pattern