Back of beyond

From Fresh Dictionary

English

Noun

1. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) A very remote place

   "I thought I should like to go near the sea — to some quite tiny country place

at the back of beyond."