Poland · Government Poland My First Choice NAWA Programme
Polish National Agency for Academic Exchange (NAWA)
Full Ride
Master's
Open · Next: Annual; spring call, deadline announced each edition (typically Apr-Jun)
Scholarships
Scholarships for Ireland Students
2 scholarships open to Ireland students, including government-funded, university-administered, and private foundation awards.
Poland · Government 
Germany · Government DAAD RISE Germany - Research Internships in Science and Engineering
DAAD (German Academic Exchange Service)
EUR 992/month + insurance + travel lump sum + EUR 160 in-Germany travel; 10 weeks-3 months in summer
Bachelor's
Open · Next: Online application opens late autumn; deadline ~December