Google Drive synchronisation

[basque]

Hi,
I want first tell that i'm a beginneer and have very little knowledge in software so pleaseb e comprehensive.
I want to synchronize my MMEX database with Google Drive or/and with my NAS with Qsync from QNAP. If i well understood it's necesary to place the MMEX database in Google Drive but can somebody tell me where is the MMEX database located in Linux Mint.
I'have been looking for this data base without succéss.
Many thanks in advance for your help
Regards
Eduardo