TAKOBOTO

despite a certain time / despite a certain situation
Thank you for seeing me despite being so busy.
〜時（なの）に・状況（なの）に　・相手の状況を配慮する阜ｻとして、話の前置きに用いることも多い。

Add formation 

おいそがしいところをおいでくださいまして、ありがとうございます。

Thank you so much for coming, despite being so busy.

ほんじつは、あめであしもとがたいへんわるいところを、このようにたくさんのほうにごさんかいただきまして、まことにありがとうございます。

We are very thankful that so many people could participate even though it's so terrible underfoot, due to the rain.

おやすみのところをおじゃまいたしまして、もうしわけありません。

I deeply apologise for intruding on you despite it being your holiday.

Ref # Kanzen Master Level 1 - p25 - no.28

LR

Mentioned in Ref # A Dictionary of Advanced Japanese Grammar p314 under 中を entry

LR

Used most often when the action of one's speaking partner expresses considerateness towards someone. - We would like to thank you for coming in spite of the heavy rain etc.

LR

iadj + tokoro wo
N + no + tokoro wo

drjuly