The area will accommodate more than 1,700 fans and Newcastle believe the change will "maintain and enhance the matchday atmosphere".
Newcastle officials have spent the last few months in discussions with a dedicated Atmosphere Working Group, which included senior club executive and representation from Wor Flags, the Fan Advisory Board, Newcastle United Supporter’s Trust, United with Pride, NUDSA, Newcastle United Supporter’s Club.
Wor Flags also carried out a survey, with almost 6,000 supporters - 57 per cent season ticket holders and 38 per cent members - taking part and, say Newcastle, "highlighting a desire to strengthen the atmosphere at St James' Park.
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The survey revealed that almost 74 per cent of participants felt the atmosphere inside the stadium had declined in the past two seasons, and 66 per cent of respondents supported the introduction of an additional dedicated singing section.
It's now been decided that Newcastle will house 1,741 fans in a new safe standing area on level 7 in the Leazes West Corner Blocks L7C, L7D and L7E.
Newcastle said in a statement: "We want to thank everyone involved with the AWG for their insights, feedback and time and are delighted to share that the consultation process has resulted in a number of enhancements, one of which includes a large section of Level 7 becoming a safe standing area for over 1,700 fans.
"Nobody has to move if they do not wish to, however seating will be replaced by safe standing in Leazes West Corner Blocks L7C, L7D and L7E.
"This will accommodate 1,741 supporters on Level 7 and fans currently in this area will be contacted to see if they wish to remain in this section or use the option to move seats. It is encouraged that any seat swap will be for fans wishing to create a strong vocal presence in this area, following supporter feedback."
Newcastle say supporters who wish to move into the safe standing blocks can do so during the seat move window - Monday, June 1 to Friday, June 5 - subject to availability.
The club said: "The seat swaps will not just be to accommodate the changes to Level 7 and safe standing; these are available throughout the stadium, subject to availability."
The statement added: "These developments are part of a wider commitment to creating a world-class, modern and inclusive matchday experience, shaped by supporter voice. Throughout the process, the focus has been on transparency and ensuring that decisions reflect what supporters want to see and feel inside St. James’ Park."
Last week it was announced that Newcastle had bought the majority of the historic Leazes Terrace building next to St James' Park, in what was described as a "strategic purchase" as the Magpies "continue to assess all credible and feasible" stadium options.#
Newcastle said the acquisition of the Grade I listed structure includes its northern, southern and western elevations – including all areas facing the stadium. The Leazes Terrace building has long restricted any expansion of St James' Park's East Stand.
But the purchase would also benefit the Magpies in a move to a new stadium on the adjacent land at Leazes Park.
If the Magpies were to move, owning a significant portion of the Leazes Terrace building would potentially aid the club when it comes to deciding what happens to the current St James' Park site.
One of the options discussed has been turning the current St James' Park site into public greenspace, while a new leisure complex has also been mooted.
Newcastle chiefs insist a decision on the stadium has not yet been made, with officials still weighing up whether to sanction the build of a new home or expand St James' Park.