Ireland have confirmed four locations for use as team bases during the pool stages of the Rugby World Cup 2015.
The team will make use of Celtic Manor in Newport, the English FA's centre of excellence at St George's Park in Burton on Trent, Surrey Sports Park and the Sport Wales National Centre.
Ireland have been drawn in Pool D alongside France, Italy, Canada and Romania for the tournament which begins on 19 September 2015.
Michael Kearney, Ireland team manager, told the irishrugby.ie: "The Ireland Team Management are delighted that during RWC15 the Ireland team will be based at these four locations for the pool stages of the tournament.
“Team bases play a vital role in team preparation and it is important that the facilities are of a world class standard while also providing a positive atmosphere for the players and management in between training and team activities."
England have secured Pennyhill Park as the host nation's main training base.
Head coach Lancaster has opted to keep England at their accustomed Bagshot headquarters for as long as possible during the pool stages of the tournament.
Wales will be based at London Irish's newly-completed all-purpose training complex Hazelwood.
Scotland will rotate between Hartpury College, where Gloucester Rugby train, Leeds Metropolitan University, the University of Leeds and Newcastle Royal Grammar School.
Tournament organisers England Rugby 2015 vetted more than 100 applications from complexes seeking to become team-base venues.
The final list of 41 centres, including pitches, state-of-the-art gyms, swimming pools and hotels, are intended to allow teams the flexibility to be based close to each fixture.
Reigning world champions New Zealand will split their group phase between The Lensbury and St Mary's University in west London, the Sport Wales National Centre and Darlington Mowden Park.
Pennyhill Park and The Vale Resort are among the eight training bases for the tournament's knockout stages.