All the build-up to the Cardiff City Stadium clash has focused on the Tottenham winger, with Real Madrid reportedly ready to pay a world record transfer fee of up to ?105million to secure his services.
Wales' open training on Monday in Newport was attended by a far greater number of fans and media than usual, with members of the Spanish press also in attendance.
The 24-year-old eventually trained on his own, and he will not feature against the Republic due to a foot injury.
Coleman faced plenty of further questions on Bale on Tuesday afternoon, but insists he and his players remain firmly focused on the task in hand.
"We've had a few more people here than usual - at training there were a lot of people there, I thought we had arrived at the wrong venue," he said.
"There was all the hype surrounding Gareth and whether he will move or not, so there were a lot of people there who would not normally be there.
"But we have just got on with our work, we have to concentrate and he trained alone anyway so we just got on with our own preparations."
But Coleman was keen to point out that the final decision over Bale's lack of availability for the fixture was down to Wales, and not Tottenham.
He said: "Looking at his history over the last two or three weeks his workload has not been good at all.